What airlines fly to Seattle?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Idaho according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Seattle/Tacoma Intl?

Delta, Alaska Airlines, and American Airlines are the most popular carriers operating from Idaho to Seattle/Tacoma Intl

How many flights depart from Idaho to Seattle on average per day?

116 flights are operational daily from Idaho to Seattle as of December 2025. The most popular departure time for this route is 11:00AM, with 60% of flights per day taking off at noon.

How many flights depart from Idaho to Seattle on average per week?

The number of flights available between Idaho and Seattle is 816 per week as of December 2025. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Idaho you fly out of and what airport in Seattle you fly into. For example, flying from Lewiston to Seattle takes 1h 31m on average. On the other hand, flying from Boise to Seattle takes 1h 38m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Idaho to Seattle/Tacoma Intl Airport?

Prices for flights from Idaho to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Idaho to Seattle/Tacoma Intl Airport?

As of December 2025, there are 3 operators available to choose from for flights from Idaho to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Idaho to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$54 Cheap Flights from Idaho to Seattle in 2025/26

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Find the cheapest flights from Idaho to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 4:59 pm

GEG

SEA

1h 19mnonstop

10:55 pm - 12:08 am

SEA

GEG

1h 13mnonstop

$99Delta

sam., janv. 10 - mar., janv. 13

5:00 pm - 9:06 pm

BOI

SEA

5h 06m1 stop

10:20 am - 12:51 pm

SEA

BOI

1h 31mnonstop

$102Hawaiian Airlines

sam., janv. 24 - dim., janv. 25

7:49 pm - 9:06 pm

GEG

SEA

1h 17mnonstop

8:17 pm - 9:25 pm

SEA

GEG

1h 08mnonstop

$108Hawaiian Airlines

dim., janv. 25 - lun., janv. 26

3:43 pm - 4:21 pm

BOI

SEA

1h 38mnonstop

10:20 am - 12:51 pm

SEA

BOI

1h 31mnonstop

$109Alaska Airlines

lun., janv. 12 - lun., janv. 19

6:00 pm - 7:17 pm

GEG

SEA

1h 17mnonstop

11:15 pm - 12:23 am

SEA

GEG

1h 08mnonstop

$112Alaska Airlines

ven., janv. 30 - ven., janv. 30

5:55 pm - 6:33 pm

BOI

SEA

1h 38mnonstop

9:36 pm - 11:59 pm

SEA

BOI

1h 23mnonstop

$113Alaska Airlines

mar., janv. 13 - mar., janv. 13

2:29 pm - 4:55 pm

BOI

SEA

3h 26m1 stop

10:20 am - 12:51 pm

SEA

BOI

1h 31mnonstop

$129Multiple Airlines

sam., janv. 24 - dim., janv. 25

11:56 am - 12:51 pm

SUN

SEA

1h 55mnonstop

5:03 pm - 7:38 pm

SEA

SUN

1h 35mnonstop

$258Multiple Airlines

ven., janv. 30 - lun., févr. 2

4:29 pm - 9:15 pm

JAC

SEA

5h 46m1 stop

8:40 am - 3:18 pm

SEA

JAC

5h 38m1 stop

$331United Airlines

jeu., janv. 15 - lun., janv. 19

1:41 pm - 9:12 pm

JAC

SEA

8h 31m2 stops

5:00 am - 1:21 pm

SEA

JAC

7h 21m1 stop

$336United Airlines

jeu., janv. 15 - lun., janv. 19

Alaska Airlines flights from Idaho to Seattle

Our best Alaska Airlines deals on Idaho to Seattle flight tickets

Alaska Airlines

Jan 12

BOI3:43 pmBoise Air Term. Gowen Fld

1h 38m

SEA4:21 pmSeattle/Tacoma Intl

Jan 19

SEA10:20 amSeattle/Tacoma Intl

1h 31m

BOI12:51 pmBoise Air Term. Gowen Fld

$109

Find similar

Alaska Airlines

Jan 30

GEG6:00 pmSpokane

1h 17m

SEA7:17 pmSeattle/Tacoma Intl

Jan 30

SEA11:15 pmSeattle/Tacoma Intl

1h 08m

GEG12:23 amSpokane

$112

Find similar

Alaska Airlines

Jan 13

BOI5:55 pmBoise Air Term. Gowen Fld

1h 38m

SEA6:33 pmSeattle/Tacoma Intl

Jan 13

SEA9:36 pmSeattle/Tacoma Intl

1h 23m

BOI11:59 pmBoise Air Term. Gowen Fld

$113

Find similar

Southwest flights from Idaho to Seattle

Our best Southwest deals on Idaho to Seattle flight tickets

Southwest

Jan 31

BOI1:45 pmBoise Air Term. Gowen Fld

8h 25m

1 stop

SEA9:10 pmSeattle/Tacoma Intl

Feb 8

SEA12:45 pmSeattle/Tacoma Intl

7h 00m

1 stop

BOI8:45 pmBoise Air Term. Gowen Fld

$151

Find similar

Southwest

Jan 12

BOI5:25 pmBoise Air Term. Gowen Fld

5h 25m

1 stop

SEA9:50 pmSeattle/Tacoma Intl

Jan 17

SEA11:40 amSeattle/Tacoma Intl

7h 40m

2 stops

BOI8:20 pmBoise Air Term. Gowen Fld

$156

Find similar

Southwest

Jan 13

BOI6:05 amBoise Air Term. Gowen Fld

7h 15m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jan 13

SEA1:20 pmSeattle/Tacoma Intl

7h 55m

2 stops

BOI10:15 pmBoise Air Term. Gowen Fld

$219

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

sam. 1/10

3:40 pm-4:59 pm

Nonstop1h 19m

Seattle/Tacoma Intl

mar. 1/13

10:55 pm-12:08 am

Nonstop1h 13m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sam. 1/24

5:00 pm-9:06 pm

1 stop5h 06m

Seattle/Tacoma Intl

dim. 1/25

10:20 am-12:51 pm

Nonstop1h 31m

$102

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

dim. 1/25

7:49 pm-9:06 pm

Nonstop1h 17m

Seattle/Tacoma Intl

lun. 1/26

8:17 pm-9:25 pm

Nonstop1h 08m

$108

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

lun. 1/12

3:43 pm-4:21 pm

Nonstop1h 38m

Seattle/Tacoma Intl

lun. 1/19

10:20 am-12:51 pm

Nonstop1h 31m

$109

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

ven. 1/30

6:00 pm-7:17 pm

Nonstop1h 17m

Seattle/Tacoma Intl

ven. 1/30

11:15 pm-12:23 am

Nonstop1h 08m

$112

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mar. 1/13

5:55 pm-6:33 pm

Nonstop1h 38m

Seattle/Tacoma Intl

mar. 1/13

9:36 pm-11:59 pm

Nonstop1h 23m

$113

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sam. 1/24

2:29 pm-4:55 pm

1 stop3h 26m

Seattle/Tacoma Intl

dim. 1/25

10:20 am-12:51 pm

Nonstop1h 31m

$129

HaileySeattle

SUN - SEA

SUNSEA

Hailey Sun Valley-Friedman

ven. 1/30

11:56 am-12:51 pm

Nonstop1h 55m

Seattle/Tacoma Intl

lun. 2/2

5:03 pm-7:38 pm

Nonstop1h 35m

$258

JacksonSeattle

JAC - SEA

JACSEA

Jackson Hole

jeu. 1/15

4:29 pm-9:15 pm

1 stop5h 46m

Seattle/Tacoma Intl

lun. 1/19

8:40 am-3:18 pm

1 stop5h 38m

$331

JacksonSeattle

JAC - SEA

JACSEA

Jackson Hole

jeu. 1/15

1:41 pm-9:12 pm

2 stops8h 31m

Seattle/Tacoma Intl

lun. 1/19

5:00 am-1:21 pm

1 stop7h 21m

$336

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How to get the cheapest flight ticket from Idaho to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Idaho to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $159. If you don’t want to visit Seattle in January, then you should wait until February to fly from Idaho, when ticket prices are also cheap, with an average price of $177.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Idaho is on a Friday. momondo users have found tickets for Friday departures for as low as $389. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $564.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Idaho in the evening is the least expensive time of day to depart. momondo users have found prices as low as $379 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $528. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Idaho to Seattle/Tacoma Intl flight route?

Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Idaho - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $188 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Idaho for as low as $161 on momondo.

What cabin class options are available on Idaho to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Idaho to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Seattle flights?

No. A direct flight is the cheapest option for a flight between Idaho to Seattle.

Cheap Idaho to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Seattle

Best Price Found	$148
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Idaho in the past 72 hours is $148. The best round-trip flight deal from Idaho to Seattle found on momondo in the last 72 hours is $238.

The fastest flight from Idaho to Seattle takes 1h 10m

Direct flights go from Idaho to Seattle every day.

There is 1 airport in Seattle. From Idaho there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Idaho to Seattle/Tacoma Intl Airport?
Prices for flights from Idaho to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Idaho to Seattle/Tacoma Intl Airport?
As of December 2025, there are 3 operators available to choose from for flights from Idaho to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Idaho to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Idaho to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Seattle is Embraer 175, representing 26.70% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 24.15%, Embraer 175 (Enhanced Winglets) at 9.66%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 7.39%.

Best airlines flying from Idaho to Seattle

Compare and see reviews for airlines that fly from Idaho to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $99	Free Cancellation	Rating 8.0 11,518 reviews	Search Alaska Airlines flights
Delta	PriceFrom $117	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $117	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Seattle?

Finding the right flight to Seattle from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Idaho to Seattle with flexible booking policies on momondo?

All flight searches from Idaho to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Seattle.

I’m not ready to book a flight from Idaho to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Idaho to Seattle from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Seattle departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Idaho to Seattle

Our best Alaska Airlines deals on Idaho to Seattle flight tickets

Southwest flights from Idaho to Seattle

Our best Southwest deals on Idaho to Seattle flight tickets

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How to get the cheapest flight ticket from Idaho to Seattle

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Idaho to Seattle/Tacoma Intl flight route?

Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Idaho - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Idaho to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Idaho to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Seattle flights?

No. A direct flight is the cheapest option for a flight between Idaho to Seattle.

What is the cheapest airline that flies from Idaho to Seattle/Tacoma Intl?

Delta, Alaska Airlines, and American Airlines are the most popular carriers operating from Idaho to Seattle/Tacoma Intl

What airlines fly to Seattle?

How many flights depart from Idaho to Seattle on average per day?

116 flights are operational daily from Idaho to Seattle as of December 2025. The most popular departure time for this route is 11:00AM, with 60% of flights per day taking off at noon.

How many flights depart from Idaho to Seattle on average per week?

The number of flights available between Idaho and Seattle is 816 per week as of December 2025. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.

How long does it take to fly to Seattle?

Cheap Idaho to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

When did momondo last update prices for flights from Idaho to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Idaho to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Idaho to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Idaho to Seattle?

Best airlines flying from Idaho to Seattle

Compare and see reviews for airlines that fly from Idaho to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Seattle?

Can I find flights from Idaho to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Idaho to Seattle?

I’m not ready to book a flight from Idaho to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing Washington